Staff Members - Benha University
Design and simulation of all-optical logic gates based on two-dimensional photonic crystals
Journal of Optics, Springer • 2021
Publication Information
Authors
Asmaa M. Masoud, Ibrahim S. Ahmed, Sahar A. El-Naggar and Mina D. Asham
Keywords
Photonic crystals; Optical logic gates; Plane
wave expansion; Two dimensions
Journal
Journal of Optics, Springer
Publisher
Asmaa M. Masoud
Volume
Not Available
Issue
Not Available
Pages
Not Available
publication.type
International
Paper Link
Open Link
Supplementary Materials
Not Available
Abstract
In this paper, we present a new design of alloptical
logic gates, namely AND, OR, NOR, NAND, XOR,
XNOR and NOT logic gates. Our design consists of oriented
oval air holes drilled in silicon background arranged
in two-dimensional photonic crystals. All optical operations
in our design depend on the interference effect, and
they are examined using finite-difference time-domain
method. Time response for all gates was calculated as well.
Numerical results show that the gates satisfy their truth
tables at wavelength of 1500 nm. Our design has the
advantage that all logic gates could be realized in one
configuration with relatively small footprint of 97.2 um2
which is vital demand for many optical applications.
logic gates, namely AND, OR, NOR, NAND, XOR,
XNOR and NOT logic gates. Our design consists of oriented
oval air holes drilled in silicon background arranged
in two-dimensional photonic crystals. All optical operations
in our design depend on the interference effect, and
they are examined using finite-difference time-domain
method. Time response for all gates was calculated as well.
Numerical results show that the gates satisfy their truth
tables at wavelength of 1500 nm. Our design has the
advantage that all logic gates could be realized in one
configuration with relatively small footprint of 97.2 um2
which is vital demand for many optical applications.